4-(2-Oxo-4,5-diphenyl-1,3-oxazol-3-yl)butanal 、 benzyl 2-(4,5-diphenyl-2-oxo-4-oxazolin-3-yl)ethanoate 在
lithium hexamethyldisilazane 作用下,
生成 (2R,3S)-3-Hydroxy-2,6-bis-(2-oxo-4,5-diphenyl-oxazol-3-yl)-hexanoic acid benzyl ester 、 (2R,3S)-3-Hydroxy-2,6-bis-(2-oxo-4,5-diphenyl-oxazol-3-yl)-hexanoic acid benzyl ester